Sash-lock.



PATENTBD DB0. 17, 1907. G. M. LOGAN.A

sAsH LOCK. APPLICATION FILED APR. 13, 1907- "IIN , STATESWPATENT CF1-HCE.;-A

1 To .anwb-bm u my commi v j 13e 1t known 'that I, Gnnrnunn M. LOGAN,

a citlz noi` the UnitedStates of America, re

4siding '1n the city `of St. Louis and State of Missouri, have invented certain new and useful Im lrovements in "SasheLocks, of which the fol owingl is af-full," clear, and exact description, re rence being had to the accorn.

anying drawing, forming part of this speci-f cation.

" My invention relates toan improvement upon: sash locks ofthe type illustrate-d and described in "Letters Patent of the United States No.; 820,223, issuedMay 8, 1906 to` vRichardl D. Logan, and' ithas for its object to sim liyrv the lock set forth lin saidipatent `whi e retaining the' which tliebalanced sas f sash stop "arestricted degree of opening "While restraining the sashes from 1 being .i completely opened, for the ventilation of a roomy i y :d meritorious features thereof, which contemplate ay sash lock by es of a'window Amay be locked in such a manner so as to permit of the sashes for ventilation purposes thus' providing Without any anger of an intruder gainin access into the room in connection Wit which the Window is used.

Figure I is an elevation dow with portions 'broken away, and my sash lock applied to said Window. Fig. II 1s a vertical section taken through the Window frame adjacent to the edges of the sashes mounted therein and through my lock. Fig. III is an enlarged elevation of the lock and the ortion of the Window jamb in which the ook is mounted with the lock shown in inoperative position. Fig. 1V is a horizontal cross section taken on line IV--IV, Fig. IH. Fi V is a similar view to Fig. III with the loc shown in operative position.

1 desi nates one of the jambs of a window frame W "ch is provided with the usual sash ystop 2 and sash parting strip 3, the latter of which is provided with III, IV and V,r`that is in a spending to that at which t e lock, to/be hereinafter described, is located.l The winof a part of a window frame jarnb is'cut out transversely 'at` the point at which the lock is to be mounted for the urpose of providing a recess 1 therein Whic extends from a pointV backrof the 2 to a point back of and in an outwardly direction beyond the sash parting strip `3.

` is operatabl'e in a notch 4,' see Figs.r

os1t1on corre' 5 is a vertical keeper plate that 'i specification o f Letters Panna retenue ,nee 7, A, Appiano fue@ Apriliaisovijfsmnumsehen* 1 spans the recess 1! adjacent to" the parting stripand is secured to the jamb. j-

6* designates a single'slid ble lock bar that the recess inthe jamb 1 at therear of the parting strip 3 and the keeper plate` A5, the said lock bar being provided With transverse tongues 7v and 8 that are adapted 'f `to project beyond'the faces ofthe Window `framefjarnb in theV usual yrunways in lwhich the window sashes operate. 1

9 is 'a pull and push rod -tha extends throu h the window frame jamb from the.

face t iereof and is connected at its inner end to theloek barf in line therewith.

10 is a lock bar operating s ring, preferabl of bow-shape, as seen in igs. Ill to V inc usive, 'and which is loosely fitted by its ends to the pull rod 9 and has-its arms so dis- Aposed as torest a ainstthe outer end of the ock bar andthe orward vertical wall of the recess 1 in the window frame. jar'nb.r The vlspring A10 serves to normally hold-the lock bar'in an inward position With'its tongue 7 restin against the keeper late 5,.as seen 1n Fig. The outer end o the pull rod 9 is threaded as. seen at 9 Figs. IIIand 1V, and l,adjustably mounted upon the threaded end of this rod is a'knob 11 that serves both as a' .handle for theactuation of the pull rod and alsp as a take-up nut in connection with the ro 12 designates one of the Stiles of a lower Window sash that is ada ted to operate in one of the sash runways o the Window frame jamb 1, the said stile being vprovided at its upper end with a vertical groove 13.

14.- is one of the stiles of an upper lWindow sash that is provided at its lower end`with a vertical groove 15. These stiles and their` grooves correspond to like arts in the patent hereinbefore mentione and further description of' them herein is deemed unneces-A sar Iyn the practieai'use of. my sash lock, the lockl b arv .is .normally at rest in illustrated Figs. I, II and V, being -maintainedin thi'sposition under the action of the continuing spring 10. While the bar isin the position just mentioned its'tongues oc-y the position and '. lng open to' a limite l of affording ventilation ofthe room that 'thewindowis associated with. VVhel either 4 vthepull rod- 9,A whereby t lock bar arewithdrawn from @the Stiles-of the sashes and intoy the vposition 'illustrated in ,Figsf'III and IV, it being f derstoodlthat'tne sashes are i closed pos ition1 to ermit'of' the lock bar to es' being with which the lower'and'upper window'sashes 4may be opened-whilefermitt' of their bedegree or the purl.

or both of the window sashes are to be opened entirel lor to a degree greater thanl that perwindow sashes said bar Iliissib e when the ook bar 6 is in osition to lock'fthe sashes, the loekfbar israWn forwardly by apull exerted u on the knob 11 of.- e tongues of the the grooves .in

. i unat thisj time in awn from` the grooves 1n tl e sash Stiles vIt will be seenv that when' the lock bar isoperated'to release the win- 'f dow sashes its tongue 7 is reti-actedl to a posi- '-tion back ofthe sash stop 2 and -its tongue 8.

' is retracted to a position within the notch 4v oithe sash parting stri 3, whereby both of l said tt'nzlgues are move "25 "terfere wit ,a jfwhen they are raised andlowered. -It is apsash runwaiyl's in 'order that they will not inthemovement of the sashes parent that whenl the sashes are again closed after they have been released the'lock ybar operating spring 10 will return said lock bar tol its normal 'position in order that its tongues b e earned tothe grooves inthe sashes to lentirely out of the be received thereby and serve as before to restrict the degreeto which the sashes may be opened. y

ered adjustable upon form of a nut is ren quently when the lock said pull rod and conse may -be drawn inwardly b turning the knob upon the pull rod in or enthat the' tongues of the lock bar will impinge a ainst the walls of the grooves in the sash sti Stiles to the walls ofthe sash runways for the purpose of holdin' them tightly and prevent- Ving rattling of ae Vsashes in the vwindow ame.

I- claimr 4 Y I.

The combination of a j amb havi ya transverse recess, a sash stop, a lower sas having a stile provided with a vertical groove, at its up er end, an upper sash having a stile pro-- vi ed with a vertlcal groove at its lower end, a arting strip provided with a notch in front o the transverse recess, a single slidable lockbar provided with inner and outer transverse tongues and a rod secured to the lock-bar in line therewith and extending through the sash stop.

GERTRUDE M. LOGAN. In presence 'of-- I BLANCHE HOGAN,

LILY Posr.

bar is in operative position in the Stiles of the y es and carry the faces of said 145 

